An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
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The average sperm cell swims at 8 inches per hour.
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If your DNA was stretched out it would reach to the moon 6,000 times.
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Our eyes are always the same size from birth, but our nose and ears never stop growing.
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Your heart will pump about 212 million liters in its lifetime.
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You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
The human sigh acts as a physiological reset button.
23
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
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